Which of the following leaders attempted but failed to regain the provinces of the western roman empire under the byzantine empire due to financial problems?

romulus augustulus
constantine
justinian i
basil i

i think this is constantine or justinian i, am i right?

Justinian I attempted but failed to regain the provinces of the Western Roman Empire under the Byzantine Empire due to financial problems.  Option C is correct.

Justinian I ofically known as Justinian the Great and also Saint Justinian the Great in the Eastern Orthodox Church, was the Eastern Roman emperor from 527 to 565. He tried to revive the empire's greatness and regain the lost western half of the historical Roman Empire.

north atlantic treaty organization.

donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

hope this !

i googled "who was kolson johanson" and this is the answer i found.

sorry if this is incorrect.